The document specifies system requirements and principle requirements for design, installation and test methods for vaccum drainage systems inside buildings transporting domestic wastewater but excluding rainwater.#,,#
DIN EN 12109:1999 history
1999DIN EN 12109:1999-06 Vacuum drainage systems inside buildings; German version EN 12109:1999
1999DIN EN 12109:1999 Vacuum drainage systems inside buildings; German version EN 12109:1999